Archive for the ‘Notes’ Category

  • Distributed Database

    Sep 26, 13 • 6585 Views • Notes • • No Comments

    A distributed database system is a database which is stored in various storage devices which are neither physically connected to each other nor they are connected to a common Central Processing Unit. Distributed database system is a collection of data with

  • Entity Relationship Model

    Sep 26, 13 • 3789 Views • Notes • • No Comments

     As we all know that modelling is a very important phase in designing the database applications. Database applications define a particular database and programs that implement the database queries and updates. Such as, a bank database application keeps track

  • Physical Database Design

    Sep 26, 13 • 1554 Views • Notes • • No Comments

    As we all know that the data is an important resource of an organisation and the database is the most fundamental component of an information system. Therefore, management and control of data and database is very important. Database design is the process of

  • Logical Database Design

    Sep 26, 13 • 3436 Views • Notes • • No Comments

    Database plays an integral role in the commercial domains, which provides users to store, update and retrieve the data. Database management system provides the system, tools and interfaces which helps to design a database. Logical database design is an

  • Object Oriented Data Model

    Sep 26, 13 • 2906 Views • Notes • • No Comments

      A data model is a logical organization of real world entities and relationships among objects. That data model which captures the object oriented concepts like encapsulation, abstraction, polymorphism, inheritance, etc. is called object oriented data